Autism before diagnosis: crying, feeding and sleeping problems in the first two years of life

Aim To chart early registered regulatory problems (RP) in a representative group of young children with and without autism spectrum disorder (ASD). Methods The target group comprised 208 preschool children with ASD, whose records from the Child Health Centres (CHC) were reviewed regarding numbers of consultations for excessive crying, feeding and sleeping problems. The records from an age‐ and gender‐matched comparison group were obtained from the same CHCs as those of the index children Results Significant differences between the ASD and comparison groups were found for each domain studied and when domains were collapsed. Two or more consultations had occurred in 44% of the children in the ASD group and in 16% of the comparison group (p